CVE-2024-6810
📋 TL;DR
The Quiz Organizer WordPress plugin has a stored XSS vulnerability that allows authenticated administrators to inject malicious scripts into pages. These scripts execute when users view the compromised pages. Only WordPress multisite installations or sites with unfiltered_html disabled are affected.
💻 Affected Systems
- WordPress Quiz Organizer plugin
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers with admin access could steal session cookies, redirect users to malicious sites, or perform actions on behalf of users, potentially leading to complete site compromise.
Likely Case
Malicious administrators could deface pages, inject ads, or steal limited user data from visitors of affected pages.
If Mitigated
With proper access controls and unfiltered_html enabled, the vulnerability has minimal impact as it requires administrator privileges.
🎯 Exploit Status
Exploitation requires administrator-level access to WordPress. The vulnerability is in admin interfaces and shortcode handling.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.9.2 or later
Vendor Advisory: https://wordpress.org/plugins/quiz-organizer/#developers
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Go to Plugins → Installed Plugins. 3. Find Quiz Organizer and click 'Update Now'. 4. Alternatively, download latest version from WordPress plugin repository and manually update.
🔧 Temporary Workarounds
Enable unfiltered_html for administrators
allEnable the unfiltered_html capability for administrator users in single-site installations
Add to wp-config.php: define('DISALLOW_UNFILTERED_HTML', false);
Remove vulnerable plugin
linuxTemporarily disable or remove the Quiz Organizer plugin until patched
wp plugin deactivate quiz-organizer
wp plugin delete quiz-organizer
🧯 If You Can't Patch
- Restrict administrator accounts to trusted personnel only and implement strong access controls
- Implement web application firewall rules to block XSS payloads in quiz content
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Quiz Organizer version. If version is 2.9.1 or lower, you are vulnerable if using multisite or unfiltered_html is disabled.Check Version:
wp plugin get quiz-organizer --field=versionVerify Fix Applied:
Verify plugin version is 2.9.2 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual admin activity modifying quiz content
- JavaScript payloads in quiz content or shortcode parameters
Network Indicators:
- Unexpected external script loads from quiz pages
- Suspicious redirects from quiz URLs
SIEM Query:
source="wordpress" AND ("quiz-organizer" OR "qzorg") AND ("admin" OR "modify-quiz") AND ("script" OR "javascript" OR "onload" OR "onerror")🔗 References
- https://plugins.trac.wordpress.org/browser/quiz-organizer/trunk/src/includes/admin/admin-modify-quiz.php#L230
- https://plugins.trac.wordpress.org/browser/quiz-organizer/trunk/src/includes/admin/admin-modify-quiz.php#L570
- https://plugins.trac.wordpress.org/browser/quiz-organizer/trunk/src/includes/sets/class-qzorg-plug-shortcode.php#L508
- https://wordpress.org/plugins/quiz-organizer/#developers
- https://www.wordfence.com/threat-intel/vulnerabilities/id/651646b0-231f-401c-9f6d-d414609bd7ba?source=cve
